3D printable colloidal dispersions demonstrating sol-to-gel transition at low silica concentrations mediated by molecular weight distribution of polypropylene glycol oligomer

Thixotropic colloidal gels composed by hydrophilic silica and polypropylene glycol (PPG) oligomer fluidize upon shear and solidify upon cease of flow, facilitating their use in 3D printing. In this study, we present a novel approach to high-fidelity 3D printing that leverages a dual-stream mixing te...

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Autori principali:	Sai Wu, Qingxu Zhang, Shihao Xiao, Li'an Zhang, Chaoyi Fan, Jinpeng Wang, Jian Wang, Yijun Shen, Yihu Song, Qiang Zheng
Natura:	Artigo
Lingua:	Inglês
Pubblicazione:	Elsevier 2025-04-01
Serie:	Giant
Soggetti:	Colloidal dispersions Sol-to-gel transition Molecular weight distribution 3D printing
Accesso online:	http://www.sciencedirect.com/science/article/pii/S2666542525000025
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